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&#x2104;&#x2194;&#x2197;&#x21A7;&#x2220;&#x2300;&#x2312;&#x2313;&#x2316;&#x232D;&#x232F;&#x2330;&#x2333;&#x2332;&#x2334;&#x2335;&#x2375;&#x23CA;&#x23E4;&#x23E5;&#x24BA;&#x24BB;&#x24C1;&#x24C2;&#x24C5;&#x24C8;&#x24C9;&#x24CA;&#x25A1;&#x25CB;&#x25CE;&#x2AFD;

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Center line             &#x2104;
Between (op. arrows)    &#x2194;
Circular runout         &#x2197;
Drill depth             &#x21A7;
Angularity              &#x2220;
Diameter                &#x2300;
Profile of a line       &#x2312;
Profile of a surface    &#x2313;
Position                &#x2316;
Cylindricity            &#x232D;
Symmetry                &#x232F;
Total runout            &#x2330;
Slope                   &#x2333;
Conical taper           &#x2332;
Counterbore             &#x2334;
Countersink             &#x2335;
Small omega             &#x2375;
Perpendicularity        &#x23CA;
Straightness            &#x23E4;
Flatness                &#x23E5;
Envelope requirement (E circle)                 &#x24BA;
Free state variations (F circle)                &#x24BB;
Least material condition (L circle)             &#x24C1;
Max material condition (M circle)               &#x24C2;
Projected tolerance zone (P circle)             &#x24C5;
Regardless of feature size (S circle)           &#x24C8;
Tangent plane (T circle)                        &#x24C9;
Unilaterally/unequally disposed (U circle)      &#x24CA;
Square                                          &#x25A1;
Circularity                                     &#x25CB;
Concentricity (double circle)                   &#x25CE;
Parallelism                                     &#x2AFD;
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